Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 12 Halides and halide oxides of non-metals 28 12 17 Thionyl chloride 28 12 17 00 Thionyl chloride Commodity Code Description 28 12 17 00 000 Thionyl chloride